\documentclass{article}
\usepackage{ctex}
\usepackage{booktabs} % 导入三线表需要的宏包
\begin{document}
\begin{tabular}{||l|lr||}\hline
    gnats & gram & \$13.65\\\cline{1-2}
          & each & 0.01 \\ \hline
    gnu & stuffed & 92.50 \\ \cline{1-1}\cline{3-3}
    emu & & 33.33 \\ \hline
    armadillo & frozen & 8.99 \\\hline
\end{tabular}     

    
\end{document}